GB2182467B - Security device for stored sensitive data - Google Patents

Security device for stored sensitive data

Info

Publication number
GB2182467B
GB2182467B GB8526689A GB8526689A GB2182467B GB 2182467 B GB2182467 B GB 2182467B GB 8526689 A GB8526689 A GB 8526689A GB 8526689 A GB8526689 A GB 8526689A GB 2182467 B GB2182467 B GB 2182467B
Authority
GB
United Kingdom
Prior art keywords
security device
sensitive data
stored sensitive
stored
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8526689A
Other versions
GB2182467A (en
GB8526689D0 (en
Inventor
Theodoor Adriaan Kleijne
Jan Bart Goossens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
Original Assignee
NCR Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NCR Corp filed Critical NCR Corp
Priority to GB8526689A priority Critical patent/GB2182467B/en
Publication of GB8526689D0 publication Critical patent/GB8526689D0/en
Priority to US06/877,049 priority patent/US4691350A/en
Priority to CA000518476A priority patent/CA1265244A/en
Priority to DE19863635938 priority patent/DE3635938A1/en
Priority to JP61255989A priority patent/JPS62117047A/en
Priority to FR868615107A priority patent/FR2589602B1/en
Publication of GB2182467A publication Critical patent/GB2182467A/en
Application granted granted Critical
Publication of GB2182467B publication Critical patent/GB2182467B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/57—Protection from inspection, reverse engineering or tampering
    • H01L23/576—Protection from inspection, reverse engineering or tampering using active circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/86—Secure or tamper-resistant housings
    • G06F21/87—Secure or tamper-resistant housings by means of encapsulation, e.g. for integrated circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
GB8526689A 1985-10-30 1985-10-30 Security device for stored sensitive data Expired GB2182467B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB8526689A GB2182467B (en) 1985-10-30 1985-10-30 Security device for stored sensitive data
US06/877,049 US4691350A (en) 1985-10-30 1986-06-23 Security device for stored sensitive data
CA000518476A CA1265244A (en) 1985-10-30 1986-09-18 Security device for stored sensitive data
DE19863635938 DE3635938A1 (en) 1985-10-30 1986-10-22 SECURITY DEVICE FOR STORED SENSITIVE DATA
JP61255989A JPS62117047A (en) 1985-10-30 1986-10-29 Safety device for responsive memory data
FR868615107A FR2589602B1 (en) 1985-10-30 1986-10-30 SECURITY DEVICE FOR RECORDED CONFIDENTIAL DATA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8526689A GB2182467B (en) 1985-10-30 1985-10-30 Security device for stored sensitive data

Publications (3)

Publication Number Publication Date
GB8526689D0 GB8526689D0 (en) 1985-12-04
GB2182467A GB2182467A (en) 1987-05-13
GB2182467B true GB2182467B (en) 1989-10-18

Family

ID=10587447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8526689A Expired GB2182467B (en) 1985-10-30 1985-10-30 Security device for stored sensitive data

Country Status (6)

Country Link
US (1) US4691350A (en)
JP (1) JPS62117047A (en)
CA (1) CA1265244A (en)
DE (1) DE3635938A1 (en)
FR (1) FR2589602B1 (en)
GB (1) GB2182467B (en)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347483A1 (en) * 1983-12-29 1985-07-11 GAO Gesellschaft für Automation und Organisation mbH, 8000 München DEVICE FOR SECURING SECRET INFORMATION
GB2182176B (en) * 1985-09-25 1989-09-20 Ncr Co Data security device for protecting stored data
DE3602960C1 (en) * 1986-01-31 1987-02-19 Philips Patentverwaltung Thick film circuit arrangement with a ceramic substrate plate
GB8619989D0 (en) * 1986-08-16 1986-09-24 Modray Ltd Controlling length of time
GB2195478B (en) * 1986-09-24 1990-06-13 Ncr Co Security device for sensitive data
US4977594A (en) * 1986-10-14 1990-12-11 Electronic Publishing Resources, Inc. Database usage metering and protection system and method
US5050213A (en) * 1986-10-14 1991-09-17 Electronic Publishing Resources, Inc. Database usage metering and protection system and method
US5117457A (en) * 1986-11-05 1992-05-26 International Business Machines Corp. Tamper resistant packaging for information protection in electronic circuitry
JPS63124153A (en) * 1986-11-05 1988-05-27 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン Memory information protector
US4860351A (en) * 1986-11-05 1989-08-22 Ibm Corporation Tamper-resistant packaging for protection of information stored in electronic circuitry
US4975647A (en) * 1987-06-01 1990-12-04 Nova Biomedical Corporation Controlling machine operation with respect to consumable accessory units
GB2205667B (en) * 1987-06-12 1991-11-06 Ncr Co Method of controlling the operation of security modules
US4972470A (en) * 1987-08-06 1990-11-20 Steven Farago Programmable connector
US5185717A (en) * 1988-08-05 1993-02-09 Ryoichi Mori Tamper resistant module having logical elements arranged in multiple layers on the outer surface of a substrate to protect stored information
US5239664A (en) * 1988-12-20 1993-08-24 Bull S.A. Arrangement for protecting an electronic card and its use for protecting a terminal for reading magnetic and/or microprocessor cards
FR2649817B1 (en) * 1989-07-13 1993-12-24 Gemplus Card International INTRUSION PROTECTED MICROCIRCUIT CARD
FR2649748B1 (en) * 1989-07-17 1991-10-11 Axyval Sa SYSTEM FOR PROTECTING DOCUMENTS OR VALUABLE OBJECTS CONTAINED IN A PHYSICALLY INVIOLABLE CONTAINER, WHICH ELSEWHERE PASSED BY A SUCCESSION OF AUTHENTICATED LOGICAL STATES IN RESTRICTED NUMBERS
US5027397A (en) * 1989-09-12 1991-06-25 International Business Machines Corporation Data protection by detection of intrusion into electronic assemblies
IL95903A (en) * 1989-10-03 1995-08-31 Univ Technology Electro-active cradle circuits for the detection of access or penetration
GB9101207D0 (en) * 1991-01-18 1991-02-27 Ncr Co Data security device
US5228084A (en) * 1991-02-28 1993-07-13 Gilbarco, Inc. Security apparatus and system for retail environments
US6782479B1 (en) * 1991-04-26 2004-08-24 Raytheon Company Apparatus and method for inhibiting analysis of a secure circuit
US5343524A (en) * 1991-06-21 1994-08-30 Mu Xiao Chun Intelligent security device
US5389738A (en) * 1992-05-04 1995-02-14 Motorola, Inc. Tamperproof arrangement for an integrated circuit device
US5402490A (en) * 1992-09-01 1995-03-28 Motorola, Inc. Process for improving public key authentication
US5533123A (en) * 1994-06-28 1996-07-02 National Semiconductor Corporation Programmable distributed personal security
US6157721A (en) 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
WO1996027155A2 (en) * 1995-02-13 1996-09-06 Electronic Publishing Resources, Inc. Systems and methods for secure transaction management and electronic rights protection
US6658568B1 (en) 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US8639625B1 (en) 1995-02-13 2014-01-28 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US7133846B1 (en) 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
SE513662C2 (en) * 1995-07-10 2000-10-16 Benkta Consulting Ab Procedure and apparatus for theft prevention
AU6502896A (en) * 1995-07-20 1997-02-18 Dallas Semiconductor Corporation Single chip microprocessor, math co-processor, random number generator, real-time clock and ram having a one-wire interface
DE19600770C2 (en) * 1996-01-11 1997-11-13 Ibm Security film with EMC protection
US20010011253A1 (en) * 1998-08-04 2001-08-02 Christopher D. Coley Automated system for management of licensed software
GB2315586B (en) * 1996-07-19 2000-08-30 Neopost Ltd Apparatus with tamper detector
AT408925B (en) * 1996-10-22 2002-04-25 Posch Reinhard Dr ARRANGEMENT FOR PROTECTING ELECTRONIC COMPUTING UNITS, IN PARTICULAR CHIP CARDS
US5920861A (en) * 1997-02-25 1999-07-06 Intertrust Technologies Corp. Techniques for defining using and manipulating rights management data structures
AU690058B3 (en) * 1997-07-22 1998-04-09 James Edward Green Security system
GB2330439A (en) * 1997-10-17 1999-04-21 Gore & Ass Tamper respondent enclosure
JP3129258B2 (en) * 1997-10-28 2001-01-29 日本電気株式会社 Important data confidentiality method and important data confidentiality system by distortion detection
US6112181A (en) * 1997-11-06 2000-08-29 Intertrust Technologies Corporation Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US6040792A (en) 1997-11-19 2000-03-21 In-System Design, Inc. Universal serial bus to parallel bus signal converter and method of conversion
US7233948B1 (en) 1998-03-16 2007-06-19 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US6473861B1 (en) 1998-12-03 2002-10-29 Joseph Forte Magnetic optical encryption/decryption disk drive arrangement
JP3339443B2 (en) * 1999-01-18 2002-10-28 日本電気株式会社 Data storage device with security function
US7243236B1 (en) 1999-07-29 2007-07-10 Intertrust Technologies Corp. Systems and methods for using cryptography to protect secure and insecure computing environments
US6564307B1 (en) 1999-08-18 2003-05-13 International Business Machines Corporation Method, system, and program for logically erasing data
CN1246730A (en) * 1999-09-13 2000-03-08 后健慈 Protecting structure for package of integrated circuit
US7054162B2 (en) * 2000-02-14 2006-05-30 Safenet, Inc. Security module system, apparatus and process
GB2363233B (en) 2000-05-11 2004-03-31 Ibm Tamper resistant card enclosure with improved intrusion detection circuit
US6895509B1 (en) 2000-09-21 2005-05-17 Pitney Bowes Inc. Tamper detection system for securing data
US6901343B2 (en) * 2001-01-10 2005-05-31 Matsushita Electric Industrial Co., Ltd. Multilayer board in which wiring of signal line that requires tamper-resistance is covered by component or foil, design apparatus, method, and program for the multilayer board, and medium recording the program
FR2824697B1 (en) * 2001-05-10 2003-09-26 Sagem ANTI-INTRUSION SPEAKER
DE10128305A1 (en) * 2001-06-12 2002-12-19 Giesecke & Devrient Gmbh Control unit for appliances and machines, e.g. motor vehicles, has monitoring unit for verifying write- and read-access to programmable store
US7490250B2 (en) * 2001-10-26 2009-02-10 Lenovo (Singapore) Pte Ltd. Method and system for detecting a tamper event in a trusted computing environment
US6545896B1 (en) * 2002-02-05 2003-04-08 Hewlett Packard Development Company, L.P. Storage pack for use in high performance systems
DE10221086A1 (en) * 2002-05-11 2003-11-20 Bosch Gmbh Robert Controller for motor vehicle, especially engine controller, has data conducting track(s) that runs between interface on edge of circuit board and control unit exclusively within circuit board
TWI249864B (en) * 2003-03-20 2006-02-21 Toyoda Gosei Kk LED lamp
US7180008B2 (en) * 2004-01-23 2007-02-20 Pitney Bowes Inc. Tamper barrier for electronic device
US6996953B2 (en) * 2004-01-23 2006-02-14 Pitney Bowes Inc. System and method for installing a tamper barrier wrap in a PCB assembly, including a PCB assembly having improved heat sinking
US7156233B2 (en) * 2004-06-15 2007-01-02 Pitney Bowes Inc. Tamper barrier enclosure with corner protection
US7343496B1 (en) * 2004-08-13 2008-03-11 Zilog, Inc. Secure transaction microcontroller with secure boot loader
JP2006119987A (en) * 2004-10-22 2006-05-11 Nidec Sankyo Corp Card reader
US7299327B2 (en) * 2005-02-18 2007-11-20 International Business Machines Corporation Content-on-demand memory key with positive access evidence feature
US20060220460A1 (en) * 2005-03-31 2006-10-05 Grolmes James M Low voltage control module
US8099783B2 (en) * 2005-05-06 2012-01-17 Atmel Corporation Security method for data protection
WO2007018761A2 (en) * 2005-07-21 2007-02-15 Atmel Corporation Security method for data protection
FR2888975B1 (en) * 2005-07-21 2007-09-07 Atmel Corp SECURITY METHOD FOR DATA PROTECTION
US7352203B1 (en) * 2006-12-26 2008-04-01 Atmel Corporation Method to reduce power in active shield circuits that use complementary traces
FR2915054B1 (en) * 2007-04-12 2009-06-26 Sagem Monetel Soc Par Actions DEVICE FOR PROTECTING AN ELECTRONIC COMPONENT
US7723998B2 (en) * 2007-06-12 2010-05-25 Itt Manufacturing Enterprises, Inc. Integrated circuit protection and detection grid
CN100576985C (en) * 2007-09-21 2009-12-30 百富计算机技术（深圳）有限公司 Safety cover
US7812428B2 (en) * 2007-12-05 2010-10-12 Atmel Rousset S.A.S. Secure connector grid array package
US8201267B2 (en) * 2008-10-24 2012-06-12 Pitney Bowes Inc. Cryptographic device having active clearing of memory regardless of state of external power
US8432300B2 (en) * 2009-03-26 2013-04-30 Hypercom Corporation Keypad membrane security
US20110255253A1 (en) * 2010-04-17 2011-10-20 Andrew Campbell Protective serpentine track for card payment terminal
CN103870766A (en) * 2012-12-18 2014-06-18 神讯电脑(昆山)有限公司 Electronic storage device and data protection method thereof
US9122937B2 (en) 2012-07-23 2015-09-01 Fci Americas Technology Llc Tamper-resistant housing assembly
GB2505178A (en) * 2012-08-20 2014-02-26 Johnson Electric Sa Stackable Overlapping Security Wrap Film for Protecting Electronic Device.
KR101367934B1 (en) 2012-08-31 2014-02-27 (주)블루버드 Mobile terminal
US9560737B2 (en) 2015-03-04 2017-01-31 International Business Machines Corporation Electronic package with heat transfer element(s)
US10426037B2 (en) 2015-07-15 2019-09-24 International Business Machines Corporation Circuitized structure with 3-dimensional configuration
US9911012B2 (en) 2015-09-25 2018-03-06 International Business Machines Corporation Overlapping, discrete tamper-respondent sensors
US9591776B1 (en) 2015-09-25 2017-03-07 International Business Machines Corporation Enclosure with inner tamper-respondent sensor(s)
US9578764B1 (en) 2015-09-25 2017-02-21 International Business Machines Corporation Enclosure with inner tamper-respondent sensor(s) and physical security element(s)
US10098235B2 (en) 2015-09-25 2018-10-09 International Business Machines Corporation Tamper-respondent assemblies with region(s) of increased susceptibility to damage
US9924591B2 (en) 2015-09-25 2018-03-20 International Business Machines Corporation Tamper-respondent assemblies
US9894749B2 (en) 2015-09-25 2018-02-13 International Business Machines Corporation Tamper-respondent assemblies with bond protection
US10175064B2 (en) 2015-09-25 2019-01-08 International Business Machines Corporation Circuit boards and electronic packages with embedded tamper-respondent sensor
US10172239B2 (en) 2015-09-25 2019-01-01 International Business Machines Corporation Tamper-respondent sensors with formed flexible layer(s)
US10143090B2 (en) 2015-10-19 2018-11-27 International Business Machines Corporation Circuit layouts of tamper-respondent sensors
US9978231B2 (en) 2015-10-21 2018-05-22 International Business Machines Corporation Tamper-respondent assembly with protective wrap(s) over tamper-respondent sensor(s)
US9913389B2 (en) 2015-12-01 2018-03-06 International Business Corporation Corporation Tamper-respondent assembly with vent structure
US9555606B1 (en) 2015-12-09 2017-01-31 International Business Machines Corporation Applying pressure to adhesive using CTE mismatch between components
US10327343B2 (en) 2015-12-09 2019-06-18 International Business Machines Corporation Applying pressure to adhesive using CTE mismatch between components
US9554477B1 (en) 2015-12-18 2017-01-24 International Business Machines Corporation Tamper-respondent assemblies with enclosure-to-board protection
US9916744B2 (en) 2016-02-25 2018-03-13 International Business Machines Corporation Multi-layer stack with embedded tamper-detect protection
US9904811B2 (en) 2016-04-27 2018-02-27 International Business Machines Corporation Tamper-proof electronic packages with two-phase dielectric fluid
US9913370B2 (en) 2016-05-13 2018-03-06 International Business Machines Corporation Tamper-proof electronic packages formed with stressed glass
US9881880B2 (en) 2016-05-13 2018-01-30 International Business Machines Corporation Tamper-proof electronic packages with stressed glass component substrate(s)
US9858776B1 (en) 2016-06-28 2018-01-02 International Business Machines Corporation Tamper-respondent assembly with nonlinearity monitoring
CN106548986B (en) * 2016-08-23 2019-01-29 天津大学 Secure package structure and package integrity detection method for attack resistance chip
US10192076B1 (en) * 2016-08-29 2019-01-29 Square, Inc. Security housing with recesses for tamper localization
US10251260B1 (en) 2016-08-29 2019-04-02 Square, Inc. Circuit board to hold connector pieces for tamper detection circuit
US9730315B1 (en) * 2016-08-29 2017-08-08 Square, Inc. Environment-tolerant tamper-proof circuit board
US10321589B2 (en) 2016-09-19 2019-06-11 International Business Machines Corporation Tamper-respondent assembly with sensor connection adapter
US10271424B2 (en) 2016-09-26 2019-04-23 International Business Machines Corporation Tamper-respondent assemblies with in situ vent structure(s)
US10299372B2 (en) 2016-09-26 2019-05-21 International Business Machines Corporation Vented tamper-respondent assemblies
US10595400B1 (en) 2016-09-30 2020-03-17 Square, Inc. Tamper detection system
US9999124B2 (en) 2016-11-02 2018-06-12 International Business Machines Corporation Tamper-respondent assemblies with trace regions of increased susceptibility to breaking
US10327329B2 (en) 2017-02-13 2019-06-18 International Business Machines Corporation Tamper-respondent assembly with flexible tamper-detect sensor(s) overlying in-situ-formed tamper-detect sensor
US10504096B1 (en) 2017-04-28 2019-12-10 Square, Inc. Tamper detection using ITO touch screen traces
US10306753B1 (en) 2018-02-22 2019-05-28 International Business Machines Corporation Enclosure-to-board interface with tamper-detect circuit(s)
US11122682B2 (en) 2018-04-04 2021-09-14 International Business Machines Corporation Tamper-respondent sensors with liquid crystal polymer layers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003861A1 (en) * 1984-12-21 1986-07-03 Ncr Corporation Security device for the secure storage of sensitive data

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697668A (en) * 1968-12-13 1972-10-10 Ncr Co Self-destructible molded articles
US3643609A (en) * 1969-09-05 1972-02-22 Dennis W Maywald Security container having destruct means
US3786282A (en) * 1970-09-25 1974-01-15 Hughes Aircraft Co Radiation hardened flip flop
US3725671A (en) * 1970-11-02 1973-04-03 Us Navy Pyrotechnic eradication of microcircuits
US3740277A (en) * 1971-02-08 1973-06-19 Us Navy Deflagrative circuit board material
US3666967A (en) * 1971-05-12 1972-05-30 Us Navy Self-destruct aluminum-tungstic oxide films
US3906460A (en) * 1973-01-11 1975-09-16 Halpern John Wolfgang Proximity data transfer system with tamper proof portable data token
US3882324A (en) * 1973-12-17 1975-05-06 Us Navy Method and apparatus for combustibly destroying microelectronic circuit board interconnections
US3882323A (en) * 1973-12-17 1975-05-06 Us Navy Method and apparatus for protecting sensitive information contained in thin-film microelectonic circuitry
US4105156A (en) * 1976-09-06 1978-08-08 Dethloff Juergen Identification system safeguarded against misuse
US4295041A (en) * 1977-08-26 1981-10-13 Compagnie Internationale Pour L'informatique Cii-Honeywell Bull (Societe Anonyme) Device for the protection of access to a permanent memory of a portable data carrier
CH640971A5 (en) * 1979-06-28 1984-01-31 Kurt Ehrat Mobile data container secured against unauthorised access
US4375601A (en) * 1980-07-07 1983-03-01 Beckman Instruments, Inc. Signal stability recognition
US4394702A (en) * 1980-11-10 1983-07-19 Sperry Corporation Power failure detection and control circuit
FR2505091A1 (en) * 1981-04-30 1982-11-05 Cii Honeywell Bull DEVICE FOR PROTECTING ELECTRONIC CIRCUITS SUCH AS INTEGRATED CIRCUITS AGAINST ELECTROSTATIC LOADS
US4520418A (en) * 1983-04-25 1985-05-28 Susi Roger E Reset circuit
WO1984004614A1 (en) * 1983-05-13 1984-11-22 Ira Dennis Gale Data security device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003861A1 (en) * 1984-12-21 1986-07-03 Ncr Corporation Security device for the secure storage of sensitive data

Also Published As

Publication number Publication date
JPS62117047A (en) 1987-05-28
FR2589602B1 (en) 1990-11-30
FR2589602A1 (en) 1987-05-07
DE3635938A1 (en) 1987-05-07
GB2182467A (en) 1987-05-13
CA1265244A (en) 1990-01-30
GB8526689D0 (en) 1985-12-04
US4691350A (en) 1987-09-01
DE3635938C2 (en) 1988-12-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000912

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031030